Canister attachment device



FIG. 1 is a top perspective view of a canister attachment device showing our new design;

FIG. 2 is a bottom perspective of the canister attachment device illustrated in FIG. 1 ;

FIG. 3 is a left side view of the canister attachment device illustrated in FIG. 1 ;

FIG. 4 is a front view of the canister attachment device illustrated in FIG. 1 ;

FIG. 5 is a right side view of the canister attachment device illustrated in FIG. 1 ;

FIG. 6 is a rear view of the canister attachment device illustrated in FIG. 1 ;

FIG. 7 is a top view of the canister attachment device illustrated in FIG. 1 ; and,

FIG. 8 is a bottom view of the canister attachment device illustrated in FIG. 1 .

The broken lines in the drawings illustrate the portions of the canister attachment device that form no part of the claimed design. 

CLAIM The ornamental design for a canister attachment device, as shown and described. 